Which is the correct sequence of events in the humoral immune response? antigen recognition → antigen presentation → differentiation → clonal selection → attack antigen presentation → antigen recognition → clonal selection → differentiation → attack antigen presentation → antigen recognition → clonal selection → attack differentiation antigen recognition → antigen presentation → clonal selection → differentiation → attack antigen recognition → differentiation → antigen presentation → clonal selection → attack

Adouble-blinded trial for a new indication is conducted under an ind comparing two (2) marketed drugs, at twice the approved prescribed doses. on day 2, subject 603 had difficulty breathing. although it was life-threatening initially, subject 603 was treated and discharged directly from the emergency department after complete recovery. on day 5, subject 20 had a headache, which led to hospitalization and required blood pressure lowering medications. these episodes cannot be explained on the basis of the pharmacological property of either drug or the subjects' medical histories. the investigator would submit an sae report for: a. neither of the subjects b. subject 603 only c. subject 20 only d. both of the subjects

There are two main levels of responsibility related to fitness and fire apparatus operations and preventing injuries and line of duty deaths. the first level involves personal responsibility. the second level involves

Which of the following is not considered a lymph node function? to house immune cells to transport lymph to filter blood to fight infection